A Dropbear security update has been released for Gentoo Linux.

gentoo-announce: GLSA 202007-53 : Dropbear: Multiple vulnerabilities

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Gentoo Linux Security Advisory GLSA 202007-53
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  https://security.gentoo.org/
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Severity: Normal
Title: Dropbear: Multiple vulnerabilities
Date: July 28, 2020
Bugs: #723848
ID: 202007-53

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Synopsis
=======
Multiple vulnerabilities have been found in Dropbear, the worst of
which could result in a Denial of Service condition.

Background
=========
Dropbear is an SSH server and client designed with a small memory
footprint.

Affected packages
================
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Package / Vulnerable / Unaffected
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1 net-misc/dropbear < 2020.80 >= 2020.80

Description
==========
Multiple vulnerabilities have been discovered in Dropbear. Please
review the CVE identifiers referenced below for details.

Impact
=====
Please review the referenced CVE identifiers for details.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All Dropbear users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/dropbear-2020.80"

References
=========
[ 1 ] CVE-2018-0739
  https://nvd.nist.gov/vuln/detail/CVE-2018-0739
[ 2 ] CVE-2018-12437
  https://nvd.nist.gov/vuln/detail/CVE-2018-12437
[ 3 ] CVE-2018-20685
  https://nvd.nist.gov/vuln/detail/CVE-2018-20685

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  https://security.gentoo.org/glsa/202007-53

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
  https://bugs.gentoo.org.

License
======
Copyright 2020 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

  https://creativecommons.org/licenses/by-sa/2.5